Siemens

3VL3725-1LF46-0AA0

3VL3725-1LF46-0AA0 Siemens

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Description for 3VL3725-1LF46-0AA0 Siemens

3VL3725-1LF46-0AA0 Siemens - circuit breaker VL250N standard breaking capacity Icu=55kA, 415V AC 4-pole, line protection Electronic Trip Unit ETU20, LSI In=250A, rated current IR=100...250A, overload protection, ISD=1.5 to 10xIR, II=11xIN short-circuit protection N protected without auxiliary release shipbuilding certificate for LRS, DNV and gL without auxiliary/alarm switch

Free Delivery to UK Mainland on orders over £25

Model

Type Of The Driving Mechanism Motor Drive No
Design Of The Overcurrent Release Etu20

General Technical Data

Number Of Poles 4
Size Of The Circuit-Breaker 3Vl3
Mechanical Service Life (Operating Cycles) Typical 20 000
Electrical Endurance (Operating Cycles) Typical 10 000
Utilization Category A
Performance Class For Circuit Breaker N
Reference Code According To Din 40719 Extended According
To Iec 204-2 According To Iec 750Q
Operating Frequency Maximum 120 1/S

Voltage

Rated Operational Voltage Ue Max. 690 V
Insulation Voltage Rated Value 800 V
Insulation Voltage (Ui) At Ac Rated Value 800 V
Surge Voltage Resistance Rated Value 8 Kv
Operating Voltage
Rated Value Maximum 690 V
For Main Current Circuit At Ac At 50 Hz Maximum 690 V
For Main Current Circuit At Ac At 60 Hz Maximum 690 V
For Main Current Circuit At Dc Maximum 500 V

Protection Class

Protection Class Ip Ip20
Protection Function Of The Overcurrent Release Lsin

Main Circuit

Operating Frequency
1 Rated Value 50 Hz
2 Rated Value 60 Hz

Auxiliary Circuit

Number Of Co Contacts For Auxiliary Contacts 0
Number Of Nc Contacts For Auxiliary Contacts 0
Number Of No Contacts For Auxiliary Contacts 0
Suitability
Suitability For Use System/Generator Protection

Adjustable Parameters

Adjustable Current Response Value Current Of The Short-Time
Delayed Short-Circuit Release Full-Scale Value2 500 A
Adjustable Current Response Value Current Of The Current-
Dependent Overload Release Initial Value100 A

Product Component

Trip Indicator No
Auxiliary Switch No
Voltage Trigger No
Undervoltage Release No
Undervoltage Release With Leading Contact No
Product Extension Optional Motor Drive Yes

Product Function

Product Function
Of Thermal Overload Trip Unit Adjustable
Grounding Protection No
For Neutral Conductors Short-Circuit And Overload Proof Yes
Overload Protection Yes
Short Circuit
Operating Short-Circuit Current Breaking Capacity (Ics)
At 240 V Rated Value 65 Ka
At 415 V Rated Value 55 Ka
At 500 V Rated Value 20 Ka
At 690 V Rated Value 6 Ka
Maximum Short-Circuit Current Breaking Capacity (Icu)
At 240 V Rated Value 65 Ka
At 415 V Rated Value 55 Ka
At 440 V Rated Value 25 Ka
At 480 V According To Nema Rated Value 25 Ka
At 500 V Rated Value 25 Ka
At 600 V According To Nema Rated Value 12 Ka
At 690 V Rated Value 12 Ka

Connections

Arrangement Of Electrical Connectors For Main Current Circuit Front Side
Type Of Connectable Conductor Cross-Sections For Main
Contacts
With Flexible Busbar 17 X 10 Mm
Solid 25 ... 185 Mm²
Finely Stranded With Core End Processing 25 ... 120 Mm²
Stranded 25 ... 185 Mm²
Type Of Connectable Conductor Cross-Sections For Auxiliary
Contacts
Solid 0.75 ... 1.5 Mm²
Finely Stranded With Core End Processing 0,75 ... 1.0 Mm²
Type Of Electrical Connection For Main Current Circuit Screw-Type Terminals

Mechanical Design

Height 185.5 Mm
Width 139.5 Mm
Depth 106.5 Mm
Fastening Method Fixed Mounting

Ambient Temperature During Operation

Minimum -25 °C
Maximum 70 °C

Ambient Temperature During Storage

Minimum -40 °C
Maximum 80 °C

Documentation

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